Summary As crisis subsides, differences between parties surface FDP seeking higher profile after electoral losses Disputes hold up policy initiatives needed for structural change Spill over into EU with opposition to combustion engine ban BERLIN, March 16 (Reuters) - Germany's first three-way coalition in decades was forged in crisis last year when unity was paramount. Now as it takes on major structural challenges, deep differences between the parties resurface, delaying critical decisions both at home and on the European stage. Russia's invasion of Ukraine and the resulting energy crisis forced Chancellor Olaf Scholz's Social Democrats (SPD), the Greens and pro-business...